Don't Panic Geocast

By John Leeman and Shannon DulinScience Technology Education Natural Sciences

Don't Panic Geocast episodes

March 26, 2021Episode 285 - "We're not going to tell you how to make it" Geology Field Kit
Field Kit
Sokkia Notebook
Holster/Backpack
Handlens
Hammer
Belt
Pocket Transit
Gilson Grain Size Card
Acid Bottle
Pocket Knife
Pencils/Lead
Protractor Ruler Combo
Streak Plate
Mohs Picks
Fun Paper Friday
What can we learn about the Earth's magnetic field from tree rings?
Cooper, Alan, et al. "A global environmental crisis 42,000 years ago." Science 371.6531 (2021): 811-818.
Science Mag Article
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John Leeman
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Shannon Dulin
@ShannonDulin
1 hr 4 min
March 20, 2021Episode 284 - "Dijon or Yellow" Geomajik Box
What's in the box?
Geophones
Load Cell
Resistivity Setup
Color
Magnetometer
Accelerometer
Turbidity Sensor
Water Velocity Sensor
Fun Paper Friday
What happens when no AI research can be reproduced? Any angry site to shame those authors!
One researcher’s mission to encourage reproducibility in machine learning
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John Leeman
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Shannon Dulin
@ShannonDulin
59 min
March 07, 2021Episode 283 - "There are spectrograms"
This week we talk about flow regimes in streams, more bedforms, and then wrap it up with a discussion of what crocodiles sound like after breathing helium!
Fun Paper Friday
Thanks to listener Teresa for this week's fun paper!
Reber, Stephan A., et al. "A Chinese alligator in heliox: formant frequencies in a crocodilian." Journal of Experimental Biology 218.15 (2015): 2442-2447.
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John Leeman
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Shannon Dulin
@ShannonDulin
49 min
March 02, 2021Episode 282 - "Antidunes"
This week we talk all about sediment bedforms and everyone's favorite - antidunes!

Watch John's Flume Experiments from 11 years ago

Froude Number

Fun Paper Friday

Smarandache, Florentin. Funny Problems. Infinite Study, 2000.

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John Leeman

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Shannon Dulin

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52 min
February 28, 2021Episode 281 - "Bill's over there chewing on his buddy" The Cambrian Explosion
When and why did life diversify? This week we go WAY BACK to the Cambrian and hang out with hungry worms and trilobites to discover what happened.
Fun Paper Friday

Did you know that Wombats poop cubes? Now you do!

Yang, Patricia J., et al. "Intestines of non-uniform stiffness mold the corners of wombat feces." Soft Matter (2021).

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John Leeman

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Shannon Dulin

@ShannonDulin
49 min
February 13, 2021Episode 280 - "Red sky in the morning" Weather Proverbs
This week we look at the origins and science behind common weather proverbs, discuss the weather forecast rock found in every southern craft fair, and then play some video games!
Fun Paper Friday

Can playing video games teach us about volcanoes? Should it?

McGowan, Edward G., and Jazmin P. Scarlett. "Volcanoes in video games: the portrayal of volcanoes in commercial off-the-shelf (COTS) video games and their learning potential." Geoscience Communication 4.1 (2021): 11-31.

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John Leeman

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Shannon Dulin

@ShannonDulin
55 min
February 01, 2021Episode 279 - "They forgot how to walk" Teaching Field in a Ballroom
Shannon is teaching intro to field inside a ballroom and we grapple with what field skills students need in the real world.
Fun Paper Friday

Cats go wild over catnip - but why?

Lichman, Benjamin R., et al. "The evolutionary origins of the cat attractant nepetalactone in catnip." Science Advances 6.20 (2020): eaba0721.

Sciencemag Article

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John Leeman

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Shannon Dulin

@ShannonDulin
55 min
January 26, 2021Episode 278 - "Millimillidarcy" Permeability
This week it's all about permeability - how water flows through rocks!
Fun Paper Friday

Yam, Kai Chi, et al. "Association of high profile football matches in Europe with traffic accidents in Asia: archival study." bmj 371 (2020).

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John Leeman

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Shannon Dulin

@ShannonDulin
58 min
January 11, 2021Episode 277 - "Water holding the rock" Porosity
This week we talk about porosity - or what all of the empty space in a rock is and why it is important.

Primary Porosity

Secondary Porosity

Fracture Porosity

Vuggy Porosity

Effective/Open Porosity

Ineffective/Closed Porosity

Dual Porosity

Macroporosity

Mesoporosity

Microporosity

Fun Paper Friday

Hungry? Eat the same thing as others at the table to gain their trust!

Woolley, Kaitlin, and Ayelet Fishbach. "A recipe for friendship: Similar food consumption promotes trust and cooperation." Journal of Consumer Psychology 27.1 (2017): 1-10.

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John Leeman

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Shannon Dulin

@ShannonDulin
53 min
January 02, 2021Episode 276 - Goodbye 2020
This week we show 2020 out the door with our 2021 resolutions and yearly planning show!
John

be more decisive and reactive but in a good way

less reflection on made decisions more forward focus

work on something and focus

get out of team task tracking

get back into GTD, especially 2 min rule

learn to fly

leadership at work

Shannon

Didn't put her resolutions in the show notes! (Email her!)

Fun Paper Friday

In our first ever revisit - we come back to a new way to classify minerals.

Cleland, Carol E., Robert M. Hazen, and Shaunna M. Morrison. "Historical natural kinds and mineralogy: Systematizing contingency in the context of necessity." Proceedings of the National Academy of Sciences 118.1.

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John Leeman

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@geo_leeman

Shannon Dulin

@ShannonDulin
1 hr 24 min

About Don't Panic Geocast

From the publisher's feed

John Leeman and Shannon Dulin discuss geoscience and technology weekly for your enjoyment! Features include guests, fun paper Friday selections, product reviews, and banter about recent developments.…